Analysis
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max time kernel
120s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20-12-2024 01:01
Behavioral task
behavioral1
Sample
8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe
Resource
win10v2004-20241007-en
General
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Target
8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe
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Size
90KB
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MD5
82a09ca4d3cf965d3c1c1a75a95f8550
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SHA1
7ed4cfe1c286082818114426154bf85c7e072e57
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SHA256
8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59
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SHA512
3bf05fee0d20091bd510f57ca4446cfed7dd3620403a743429680a9428c5239549d107092638fb10a78ef4489be543b4b49ef99ca55af5feae3c694d341768f2
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDf:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3t
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Modiloader family
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ModiLoader Second Stage 1 IoCs
resource yara_rule behavioral1/memory/352-265-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2376 csrsll.exe 1580 csrsll.exe 352 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2568 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 2568 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 2568 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 2568 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 2568 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2792 set thread context of 2568 2792 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 28 PID 2376 set thread context of 1580 2376 csrsll.exe 33 PID 2376 set thread context of 352 2376 csrsll.exe 34 -
resource yara_rule behavioral1/memory/2792-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2792-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2792-85-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2792-90-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2568-99-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2568-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2792-101-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2568-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2568-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2568-93-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2568-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2568-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2568-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x00090000000120ff-132.dat upx behavioral1/memory/2568-146-0x0000000003260000-0x00000000032B3000-memory.dmp upx behavioral1/memory/2568-154-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2376-215-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/352-251-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2376-258-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2568-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1580-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/352-265-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe Token: SeDebugPrivilege 1580 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2792 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 2568 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 2376 csrsll.exe 1580 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2792 wrote to memory of 2568 2792 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 28 PID 2792 wrote to memory of 2568 2792 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 28 PID 2792 wrote to memory of 2568 2792 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 28 PID 2792 wrote to memory of 2568 2792 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 28 PID 2792 wrote to memory of 2568 2792 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 28 PID 2792 wrote to memory of 2568 2792 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 28 PID 2792 wrote to memory of 2568 2792 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 28 PID 2792 wrote to memory of 2568 2792 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 28 PID 2568 wrote to memory of 2468 2568 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 29 PID 2568 wrote to memory of 2468 2568 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 29 PID 2568 wrote to memory of 2468 2568 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 29 PID 2568 wrote to memory of 2468 2568 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 29 PID 2468 wrote to memory of 3056 2468 cmd.exe 31 PID 2468 wrote to memory of 3056 2468 cmd.exe 31 PID 2468 wrote to memory of 3056 2468 cmd.exe 31 PID 2468 wrote to memory of 3056 2468 cmd.exe 31 PID 2568 wrote to memory of 2376 2568 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 32 PID 2568 wrote to memory of 2376 2568 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 32 PID 2568 wrote to memory of 2376 2568 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 32 PID 2568 wrote to memory of 2376 2568 8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe 32 PID 2376 wrote to memory of 1580 2376 csrsll.exe 33 PID 2376 wrote to memory of 1580 2376 csrsll.exe 33 PID 2376 wrote to memory of 1580 2376 csrsll.exe 33 PID 2376 wrote to memory of 1580 2376 csrsll.exe 33 PID 2376 wrote to memory of 1580 2376 csrsll.exe 33 PID 2376 wrote to memory of 1580 2376 csrsll.exe 33 PID 2376 wrote to memory of 1580 2376 csrsll.exe 33 PID 2376 wrote to memory of 1580 2376 csrsll.exe 33 PID 2376 wrote to memory of 352 2376 csrsll.exe 34 PID 2376 wrote to memory of 352 2376 csrsll.exe 34 PID 2376 wrote to memory of 352 2376 csrsll.exe 34 PID 2376 wrote to memory of 352 2376 csrsll.exe 34 PID 2376 wrote to memory of 352 2376 csrsll.exe 34 PID 2376 wrote to memory of 352 2376 csrsll.exe 34 PID 2376 wrote to memory of 352 2376 csrsll.exe 34 PID 2376 wrote to memory of 352 2376 csrsll.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe"C:\Users\Admin\AppData\Local\Temp\8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2792 -
C:\Users\Admin\AppData\Local\Temp\8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe"C:\Users\Admin\AppData\Local\Temp\8ac49cdec1c2133ac633298fc94fdb9947ed92d98a6495f201356f42155c7d59N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2568 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\XCNKJ.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2468 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f4⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:3056
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1580
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:352
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
145B
MD54eb61ec7816c34ec8c125acadc57ec1b
SHA1b0015cc865c0bb1a027be663027d3829401a31cc
SHA25608375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
SHA512f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
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Filesize
90KB
MD50609eaf00868654aa9fb4fe2115b9f57
SHA1db5747edea4d41bb632c56142d693e26d12d1767
SHA256d9f2b9479bbd15a510a6019dc1e39973ef73af6b5cc3c69010b43adcd4854b14
SHA51204affe18275f83e1e67970a0170ae6b2dde7b728b463d703cc71a0add5ce2de4fcc9603d179fbf785e05900a79fe45af19709020cee0cec5274ff9e72a344ed5